package com.itheima.reggie.common;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

@Component
@Slf4j
public class MyMetaObjecthandler implements MetaObjectHandler {
    /**
     * 插入时公共字段自动填充
     * @param metaObject
     */
    @Override
    public void insertFill(MetaObject metaObject) {
    log.info("插入时公共字段填充");
    metaObject.setValue("createTime", LocalDateTime.now());
    metaObject.setValue("updateTime", LocalDateTime.now());

//  调用TheadLocal中存储的当前登录用户的id
    metaObject.setValue("createUser",BaseContext.getCurrentId());
    metaObject.setValue("updateUser",BaseContext.getCurrentId());
    }
    /**
     * 修改时公共字段自动填充
     * @param metaObject
     */
    @Override
    public void updateFill(MetaObject metaObject) {
        metaObject.setValue("updateTime", LocalDateTime.now());
        metaObject.setValue("updateUser",BaseContext.getCurrentId());
    }
}
